wallboard

American  

[wawl-bawrd, -bohrd] / ˈwɔlˌbɔrd, -ˌboʊrd /

noun

1. material manufactured in large sheets for use in making or covering walls, ceilings, etc., as a substitute for wooden boards or plaster.

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wallboard British  

/ ˈwɔːlˌbɔːd /

noun

1. a thin board made of materials, such as compressed wood fibres or gypsum plaster, between stiff paper, and used to cover walls, partitions, etc

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Etymology

Origin of wallboard

First recorded in 1905–10; wall + board

Example Sentences

He employed a wide range of materials in them — wood, bronze, steel, aluminum, brass, cardboard, paper, canvas, plastic, vellum, photogravure and wallboard.

From Los Angeles Times • Nov. 25, 2025

People pulled out the flood-ravaged contents of their homes and piled them at the curb in mounds rising roughly six feet high in some cases: refrigerators, carpets, wallboard, sofas, cabinets, drawers, luggage, picture frames.

From New York Times • Sep. 3, 2017

To describe how HIV drugs work, he projected slides with terms like “reverse transcriptase enzyme” onto battered pink wallboard.

From Seattle Times • Jul. 15, 2016

A piece of broken wallboard has been propped up by the mailbox as a sign with a polite request for people stay off the property.

From Washington Post • Dec. 13, 2015

It’s even part of the supermarket building, because the wallboard, the flooring, and many other building materials are made with corn.

From "The Omnivore's Dilemma" by Michael Pollan